14.8V 3500mAh Battery，Compatible For Liectroux C30B E30B, Compatible For Proscenic 800T, 830P, 820P, 820T, 820S Vacuum Cleaner Li-ion 14.4V

High energy density: It can store a large amount of electricity to provide enough energy for the vacuum cleaner to ensure its normal operation and meet the power needs of various cleaning scenarios Stable output: It can maintain a stable voltage and current output during use to ensure the stability of the suction power of the vacuum cleaner Fast charging: The charging speed is fast, and the battery can be fully charged in a short time, reducing the user's waiting time and improving the efficiency of use. Overcharge protection: Built-in overcharge protection function, when the battery is fully charged, the charging system will automatically stop charging to prevent the battery from being damaged due to overcharge Over-discharge protection: When the battery power is too low, the circuit will be automatically cut off to avoid over-discharge of the battery and protect the performance and life of the battery